Finding the Fourth Proportional to 64,131,072.50, 96,139,005.18 and 31,323,079.04

Step by Step Solution

1. Step 1: Write the proportion equation
   64,131,072.50 : 96,139,005.18 = 31,323,079.04 : x
2. Step 2: Convert to fraction form
   64,131,072.50/96,139,005.18 = 31,323,079.04/x
3. Step 3: Cross multiply
   64,131,072.50x = 96,139,005.18 × 31,323,079.04
4. Step 4: Simplify right side
   64,131,072.50x = 3,011,369,658,080,109.50
5. Step 5: Solve for x
   x = 3,011,369,658,080,109.50/64,131,072.50
6. Step 6: Final answer
   x = 46,956,483.66